Sanyo KMHS0772 Technical & Service Manual Download Page 88

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SANYO Commercial Solutions
A Division of SANYO North America Corporation
Cornerstone Business Park, 1062 Thorndale Avenue,
Bensenville, IL 60106, U.S.A.

Sanyo Canada Inc.
1-300 Applewood Crescent, Concord, Ontario L4K 5C7, CANADA
Aug. / 2007 (T)

Summary of Contents for KMHS0772

Page 1: ...1272 KMHS1872 KMHS2472 REFERENCE NO SM700659 02 Product Code No 1 852 099 92 1 852 099 93 1 852 099 94 1 852 099 95 1 852 099 96 Capacity 7 500BTU h 9 000BTU h 11 900BTU h 17 500BTU h 24 200BTU h Indoor Model No KMHS0772 KMHS0972 KMHS1272 KMHS1872 KMHS2472 NOTE AIR CONDITIONER AIR CONDITIONER IMPORTANT These air conditioners employ new refrigerant R410A Pay special attention when servicing the uni...

Page 2: ...e fire hazard When Transporting Be careful when picking up and moving the indoor and outdoor units Get a partner to help and bend your knees when lifting to reduce strain on your back Sharp edges or thin aluminum fins on the air conditioner can cut your fingers When Installing In a Ceiling or Wall Make sure the ceiling wall is strong enough to hold the unit s weight It may be necessary to construc...

Page 3: ... Distance Charts 6 ELECTRICAL DATA 6 1 Electric Wiring Diagrams 7 FUNCTIONS 7 1 Operation Functions 7 2 Protective Functions 8 TROUBLESHOOTING 8 1 Precautions before Performing Inspection or Repair 8 2 Method of Self Diagnostics 8 3 Checking the Indoor and Outdoor Units 8 4 Trouble Diagnosis of Fan Motor 8 5 Noise Malfunction and Electromagnetic Interference APPENDIX A INSTRUCTION MANUAL APPENDIX ...

Page 4: ...CABLE MULTI OUTDOOR UNITS KMHS0772 KMHS0972 KMHS1272 KMHS1872 KMHS2472 3 Room CMH1972 YES YES YES YES NO 4 Room CMH2472 YES YES YES YES YES 4 Room CMH3172 YES YES YES YES YES Indoor Unit Multi Outdoor Unit 4 ...

Page 5: ...67 F D B 57 F W B 80 F D B 67 F W B _ D B _ W B 1 OPERATING RANGE Maximum Minimum Maximum Minimum 115 F D B 67 F D B 75 F D B 65 F W B 0 F D B Temperature Indoor Air Intake Temp Outdoor Air Intake Temp Cooling Heating 5 ...

Page 6: ...nge Running Amperes Refrigerant Tubing Kit Accessories Narrow tube Wide tube Refrigerant inch mm Tube Diameter inch mm 19 8 24 3 2 82 9 0 11 0 10 1 32 255 35 7 16 900 13 25 32 350 7 7 16 189 32 15 32 825 11 7 32 285 0 08 1 4 6 35 3 8 9 52 Flare Type 33 30 27 23 33 30 27 23 R410A Washable Anti Mold Manual Auto Timer Indoor Fan Speeds 24 Hour ON or OFF Timer 1 Hour OFF Timer Auto and 3 steps Airflow...

Page 7: ...res Refrigerant Tubing Kit Accessories Narrow tube Wide tube Refrigerant inch mm Tube Diameter inch mm 19 8 24 3 2 82 9 0 11 0 10 1 32 255 35 7 16 900 13 25 32 350 7 7 16 189 32 15 32 825 11 7 32 285 0 08 1 4 6 35 3 8 9 52 Flare Type 33 30 27 23 33 30 27 23 R410A Washable Anti Mold Manual Auto Timer Indoor Fan Speeds 24 Hour ON or OFF Timer Control Auto and 3 steps Airflow Direction Indoor Horizon...

Page 8: ...eres Refrigerant Tubing Kit Accessories Narrow tube Wide tube Refrigerant inch mm Tube Diameter inch mm 19 8 24 3 2 82 9 0 11 0 10 1 32 255 35 7 16 900 13 25 32 350 7 7 16 189 32 15 32 825 11 7 32 285 0 08 1 4 6 35 3 8 9 52 Flare Type 34 31 28 23 34 31 28 23 R410A Washable Anti Mold Manual Auto Timer Indoor Fan Speeds 24 Hour ON or OFF Timer Control Auto and 3 steps Airflow Direction Indoor Horizo...

Page 9: ...eres Refrigerant Tubing Kit Accessories Narrow tube Wide tube Refrigerant inch mm Tube Diameter inch mm 19 8 24 3 2 82 9 0 11 0 10 1 32 255 35 7 16 900 13 25 32 350 7 7 16 189 32 15 32 825 11 7 32 285 0 08 1 4 6 35 3 8 9 52 Flare Type 34 31 28 23 34 31 28 23 R410A Washable Anti Mold Manual Auto Timer Indoor Fan Speeds 24 Hour ON or OFF Timer Control Auto and 3 steps Airflow Direction Indoor Horizo...

Page 10: ...res Refrigerant Tubing Kit Accessories Narrow tube Wide tube Refrigerant inch mm Tube Diameter inch mm 19 8 24 3 2 82 9 0 11 0 10 1 32 255 35 7 16 900 13 25 32 350 7 7 16 189 32 15 32 825 11 7 32 285 0 08 1 4 6 35 3 8 9 52 Flare Type 34 31 29 25 36 33 29 25 R410A Washable Anti Mold Manual Auto Timer Indoor Fan Speeds 24 Hour ON or OFF Timer Control Auto and 3 steps Airflow Direction Indoor Horizon...

Page 11: ...res Refrigerant Tubing Kit Accessories Narrow tube Wide tube Refrigerant inch mm Tube Diameter inch mm 19 8 24 3 2 82 9 0 11 0 10 1 32 255 35 7 16 900 13 25 32 350 7 7 16 189 32 15 32 825 11 7 32 285 0 08 1 4 6 35 3 8 9 52 Flare Type 34 31 29 25 36 33 29 25 R410A Washable Anti Mold Manual Auto Timer Indoor Fan Speeds 24 Hour ON or OFF Timer Control Auto and 3 steps Airflow Direction Indoor Horizon...

Page 12: ...s Refrigerant Tubing Kit Accessories Narrow tube Wide tube Refrigerant inch mm Tube Diameter inch mm 26 5 33 1 4 23 12 0 15 0 14 29 32 379 44 7 8 1 140 11 3 8 289 8 19 32 218 41 15 16 1 065 11 23 32 298 0 12 1 4 6 35 1 2 12 7 Flare Type 40 37 34 28 41 38 34 28 R410A Washable Anti Mold Manual Auto Timer Indoor Fan Speeds 24 Hour ON or OFF Timer Control Auto and 3 steps Airflow Direction Indoor Hori...

Page 13: ...s Refrigerant Tubing Kit Accessories Narrow tube Wide tube Refrigerant inch mm Tube Diameter inch mm 26 5 33 1 4 23 12 0 15 0 14 29 32 379 44 7 8 1 140 11 3 8 289 8 19 32 218 41 15 16 1 065 11 23 32 298 0 12 1 4 6 35 1 2 12 7 Flare Type 40 37 34 28 41 38 34 28 R410A Washable Anti Mold Manual Auto Timer Indoor Fan Speeds 24 Hour ON or OFF Timer Control Auto and 3 steps Airflow Direction Indoor Hori...

Page 14: ... Refrigerant Tubing Kit Accessories Narrow tube Wide tube Refrigerant inch mm Tube Diameter inch mm 26 5 33 1 4 23 12 0 15 0 14 29 32 379 44 7 8 1 140 11 3 8 289 8 19 32 218 41 15 16 1 065 11 23 32 298 0 12 1 4 6 35 5 8 15 88 Flare Type 43 40 37 30 44 41 38 30 R410A Washable Anti Mold Manual Auto Timer Indoor Fan Speeds 24 Hour ON or OFF Timer Control Auto and 3 steps Airflow Direction Indoor Hori...

Page 15: ... Refrigerant Tubing Kit Accessories Narrow tube Wide tube Refrigerant inch mm Tube Diameter inch mm 26 5 33 1 4 23 12 0 15 0 14 29 32 379 44 7 8 1 140 11 3 8 289 8 19 32 218 41 15 16 1 065 11 23 32 298 0 12 1 4 6 35 5 8 15 88 Flare Type 43 40 37 30 44 41 38 30 R410A Washable Anti Mold Manual Auto Timer Indoor Fan Speeds 24 Hour ON or OFF Timer Control Auto and 3 steps Airflow Direction Indoor Hori...

Page 16: ...ol Circuit Fuse Controls Part No Microprocessor 250V 3A CB KMHS0772 1 D3 11 16 L24 31 32 D94 L634 RCS 4MHVPIS4U Cross Flow DC Motor SIC 39CVL D487 4 1 8 47 1 050 1 100 Internal Controller Yes Fan Remote Control Unit Q ty Dia and Length Type inch mm Fan Motor Nominal Output Coil Resistance Rough Measure RPM Cool Heat Type Model Q ty No of Poles Safety Device Type Over Current Protection Over Heat P...

Page 17: ...OTICE Yes Control PCB Control Circuit Fuse Controls Part No Microprocessor 250V 3A CB KMHS0972 1 D3 11 16 L24 31 32 D94 L634 RCS 4MHVPIS4U Cross Flow DC Motor SIC 39CVL D847 4 1 8 47 1 100 1 150 Internal Controller Yes Fan Remote Control Unit Q ty Dia and Length Type inch mm Fan Motor Nominal Output Coil Resistance Rough Measure RPM Cool Heat Type Model Q ty No of Poles Safety Device Type Over Cur...

Page 18: ...OTICE Yes Control PCB Control Circuit Fuse Controls Part No Microprocessor 250V 3A CB KMHS1272 1 D3 11 16 L24 31 32 D94 L634 RCS 4MHVPIS4U Cross Flow DC Motor SIC 39CVL D847 4 1 8 47 1 200 1 200 Internal Controller Yes Fan Remote Control Unit Q ty Dia and Length Type inch mm Fan Motor Nominal Output Coil Resistance Rough Measure RPM Cool Heat Type Model Q ty No of Poles Safety Device Type Over Cur...

Page 19: ...OTICE Yes Control PCB Control Circuit Fuse Controls Part No Microprocessor 250V 3A CB KMHS1872 1 D3 11 16 L33 9 32 D94 L845 RCS 4MHVPIS4U Cross Flow DC Motor SIC 39CVL D847 2 1 8 30 1 200 1 200 Internal Controller Yes Fan Remote Control Unit Q ty Dia and Length Type inch mm Fan Motor Nominal Output Coil Resistance Rough Measure RPM Cool Heat Type Model Q ty No of Poles Safety Device Type Over Curr...

Page 20: ...OTICE Yes Control PCB Control Circuit Fuse Controls Part No Microprocessor 250V 3A CB KMHS2472 1 D3 11 16 L33 9 32 D94 L845 RCS 4MHVPIS4U Cross Flow DC Motor SIC 39CVL D847 2 1 8 30 1 300 1 300 Internal Controller Yes Fan Remote Control Unit Q ty Dia and Length Type inch mm Fan Motor Nominal Output Coil Resistance Rough Measure RPM Cool Heat Type Model Q ty No of Poles Safety Device Type Over Curr...

Page 21: ...S0772 KMHS0972 KMHS1272 KMHS1872 KMHS2472 Indoor heat exchanger sensor PTM D51H S3 TH1 Model No of sensor Sensor Name 1 1 1 Quantity of Sensor 0 0 PTM D51H S3 2 TH1 0 0 0 1 1 0 32 50 68 86 104 122 140 158 176 194 0 10 20 30 40 50 60 70 80 90 40 60 80 100 120 140 160 180 200 20 50 1 0 2 3 4 5 6 7 8 9 10 59 68 77 86 95 104 10 15 20 25 30 35 40 Resistance k ohm Resistance k ohm Temperature F C Temper...

Page 22: ...3 DIMENSIONAL DATA Indoor Unit KMHS0772 KMHS0972 KMHS1272 Unit inch mm 22 ...

Page 23: ...Unit inch mm Indoor Unit KMHS1872 KMHS2472 23 ...

Page 24: ... FLOW DIAGRAM 4 1 Refrigerant Flow Diagram Indoor Unit KMHS0772 KMHS0972 KMHS1272 Indoor Unit KMHS1872 Indoor Unit KMHS2472 Indoor heat exchanger Cooling cycle Heating cycle Indoor unit Indoor heat exchanger Cooling cycle Heating cycle Indoor unit Indoor heat exchanger Cooling cycle Heating cycle Indoor unit 24 ...

Page 25: ...elocity ft sec Vertical distance ft Room air temp 80 F 26 7 C Fan speed High Cooling Flap angle 0 Axis air velocity 0 Flap angle 30 Axis air velocity 30 Flap angle 45 Axis air velocity 45 Flap angle 60 Axis air velocity 60 5 PERFORMANCE DATA 5 1 Air Throw Distance Charts Indoor Unit KMHS0772 25 0 5 10 15 0 5 10 15 20 25 30 0 5 10 15 0 5 10 15 20 25 30 ...

Page 26: ...l distance ft Axis air velocity ft sec Vertical distance ft Cooling Flap angle 0 Axis air velocity 0 Flap angle 30 Axis air velocity 30 Flap angle 45 Axis air velocity 45 Flap angle 60 Axis air velocity 60 Indoor Unit KMHS0972 Room air temp 80 F 26 7 C Fan speed High 0 5 10 15 0 5 10 15 20 25 30 0 5 10 15 0 5 10 15 20 25 30 26 ...

Page 27: ...nce ft Axis air velocity ft sec Vertical distance ft Room air temp 80 F 26 7 C Fan speed High Cooling Flap angle 0 Axis air velocity 0 Flap angle 30 Axis air velocity 30 Flap angle 45 Axis air velocity 45 Flap angle 60 Axis air velocity 60 Indoor Unit KMHS1272 0 5 10 15 0 5 10 15 20 25 30 Fl l A i i l i 0 5 10 15 0 5 10 15 20 25 30 27 ...

Page 28: ...l distance ft Axis air velocity ft sec Vertical distance ft Room air temp 80 F 26 7 C Fan speed High Cooling Flap angle 0 Axis air velocity 0 Flap angle 30 Axis air velocity 30 Flap angle 45 Axis air velocity 45 Flap angle 60 Axis air velocity 60 Indoor Unit KMHS1872 0 5 10 15 0 5 10 15 20 25 30 0 5 10 15 0 5 10 15 20 25 30 28 ...

Page 29: ...l distance ft Axis air velocity ft sec Vertical distance ft Room air temp 80 F 26 7 C Fan speed High Cooling Flap angle 0 Axis air velocity 0 Flap angle 30 Axis air velocity 30 Flap angle 45 Axis air velocity 45 Flap angle 60 Axis air velocity 60 Indoor Unit KMHS2472 0 5 10 15 0 5 10 15 20 25 30 0 5 10 15 0 5 10 15 20 25 30 29 ...

Page 30: ...Y ROOM COIL 4P WHT DCM 6P BLU CONTROLLER FM FAN MOTOR ROOM THERMISTOR BLK BLK BLK WHT RED BLK BLK 1 2 3 4 1 2 3 4 COIL THERMISTOR ION 3P WHT HA JEM A 1 2 3 1 2 3 1 2 3 1 2 3 4P WHT 1 2 4 BLK 3 BLK BLK RED WHT 1 2 3 4 1 2 3 4 ION ASSY ION TERMINAL 1 2 3 WHT BLK RED RED CONNECTOR 8FA2 5257 69700 0 BLU WHT BLK YEL WARNING To avoid electrical shock hazard be sure to disconnect power before checking se...

Page 31: ...7 8 9 10 1 2 3 4 5 6 7 8 9 10 1 2 3 4 5 6 7 8 9 10 IND LAMP ASSY ROOM COIL 4P WHT DCM 6P BLU CONTROLLER FM FAN MOTOR ROOM THERMISTOR BLK BLK BLK BLK 1 2 3 4 1 2 3 4 COIL THERMISTOR ION 3P WHT HA JEM A 1 2 3 1 2 3 4P WHT 1 2 4 BLK 3 BLK BLK RED WHT 1 2 3 4 1 2 3 4 ION ASSY ION TERMINAL 1 2 3 WHT BLK RED RED BLU WHT BLK YEL Indoor Unit KMHS1872 KMHS2472 WARNING To avoid electrical shock hazard be su...

Page 32: ...oom temperature is below 59 F 15 C Load COOL zone A zone B zone Emergency operation is available when the remote controller malfunctions has been lost or otherwise cannot be used The set temperature is 4 F 2 C below the detected room temperature in the case of cooling operation and 4 F 2 C above the room temperature in the case of heating operation The flap and fan speed settings are AUTO GREEN RE...

Page 33: ...t mark appears on the remote controller The main unit display lamp also becomes dimmer COOL and DRY modes When the night setback mode is selected the air conditioner automatically raises the temperature setting 2 F 1 C when 30 minutes have passed after the selection was made and then another 2 F 1 C after another 30 minutes have passed regardless of the indoor temperature when night setback was se...

Page 34: ...ure reaches Point C or above freezing prevention is ended and control is the same as in the a area When the temperature drops to below 36 F 2 C continuously for 2 minutes or longer the compressor stops Once the freeze condition is detected the air conditioner will work less than the maximum frequency until it is turned off Approx 127 53 A A B C B Indoor heat exchanger A Control start B Control end...

Page 35: ... below to perform detailed trouble diagnostics Step 1 Press and hold the remote controller ION button and 1 HR TIMER button At the same time press the ACL reset button Use a pointed object such as the tip of a pen to press the ACL button When this has been done oP 1 test run appears blinking in the remote controller clock display area Step 2 Next press the 1 HR TIMER button once to change the disp...

Page 36: ...board failure 1 Sensor open circuit or short circuit 2 Contact failure at connector or open circuit at terminal crimping location 3 Outdoor circuit board failure Outdoor circuit board failure 1 Mis wiring 2 AC power failure 3 Blown fuse 4 Power relay failure 5 Indoor or outdoor circuit board failure 1 HIC or power Tr failure 2 Outdoor fan does not turn 3 Instantaneous power outage 4 Service valve ...

Page 37: ... function fails to operate Check the indoor unit Is the fuse blown Replace the controller Replace the circuit board or the fuse No indicators illuminate and the indoor fan does not rotate Check the power voltage Normal Blown 37 ...

Page 38: ...tween inter unit wirings 1 and 2 Connect a 5 k ohm resistor between inter unit wirings 2 and 3 When the voltage at both ends is measured approximately 12 to 15V DC must be output and the multimeter pointer must bounce once every 8 seconds Or instead of measuring the voltage you can insert an LED jig and check that the LED flickers once every 8 seconds Control No Check items unit operation Apply th...

Page 39: ... considered An error in the inter unit wiring might be considered ex wire breaking or connection error etc Does the voltage between the terminals 1 and 2 on the indoor unit terminal board reach the rated value Does the voltage between the wires 1 and 2 of inter unit wiring on the indoor unit side reach the rated value What is the self diagnosis result What is the self diagnosis result Operate the ...

Page 40: ...Then five minutes later perform the self diagnosis Condition E01 Condition E12 Condition E01 An error in the P C Board in the outdoor unit might be considered Connection error between the P C Board in the outdoor unit and J B An error in the P C Board in the indoor unit might be considered Terminal board error etc An error in the inter unit wiring might be considered ex wire breaking or connection...

Page 41: ...d Trouble symptom 1 The fan does not stop when the unit stops Indoor unit controller trouble Trouble symptom 2 The fan motor does not rotate when the unit is operating Diagnostic procedure Disconnect the motor connectors and measure the voltage at the DC motor connectors on the indoor unit controller 3 locations Diagnostic results All of the above measured values are normal Fan motor trouble Repla...

Page 42: ... the system less susceptible to noise Insulate for noise or distance from the noise source Trouble Either of the following trouble may occur 1 The unit may stop suddenly during operation 2 Indicator lamps may flicker 2 Electromagnetic interference This refers to noise generated by high speed switching of the microcomputer and compressor This noise radiates through space and returns to the electric...

Page 43: ...INSTRUCTION MANUAL KMHS0772 KMHS0972 KMHS1272 KMHS1872 KMHS2472 OI 852 6 4180 808 00 3 OI 852 6 4180 809 00 3 APPENDIX A A 1 ...

Page 44: ...down in the air outlet directing air in a sweeping motion around the room and providing comfort in every corner Auto Flap Control This automatically sets the flap to the optimum position during heating cooling and drying operation Hot Start Heating System Right from the start the air is warm and comfortable This system prevents any cold blasts at the beginning while the heat pump is warming up or ...

Page 45: ...oduct Information If you have problems or questions concerning your Air Conditioner you will need the following information Model and serial numbers are on the nameplate on the bottom of the cabinet Model No ______________________ Serial No _______________________ Date of purchase ___________________________________________________ Dealer s address _________________________________________________...

Page 46: ... install this air conditioner where there are fumes or flammable gases or in an extremely humid space such as a greenhouse Do not install the air conditioner where excessively high heat generating objects are placed Avoid To protect the air conditioner from heavy corrosion avoid installing the outdoor unit where salty sea water can splash directly onto it or in sulphurous air near a spa Never use ...

Page 47: ...lown out of the air conditioner through the air outlet Remote Control Unit The wireless remote control unit controls power ON OFF operation mode selection temperature fan speed timer setting and air sweeping Refrigerant Tubes The indoor and outdoor units are connected by copper tubes through which refrigerant gas flows Drain Hose Moisture in the room condenses and drains off through this hose Outd...

Page 48: ...ghts up red and orange alternately when the system is defrosting TIMER lamp This lamp lights when the system is being controlled by the timer QUIET lamp This lamp lights during operation in the QUIET mode ION lamp This lamp lights during operation in the ION mode while the indoor unit is operating The unit s display lamps are dimmed during operation in the NIGHT SETBACK mode QUIET REMOTE CONTROL r...

Page 49: ... OFF Timer 1 hour OFF Timer 5 NIGHT SETBACK 6 Confirmation of transmission 7 Auto flap indication Flap angle indication Sweep indication 8 High power operation 9 Quiet operation 10 ION operation Displayed when setting timer Displayed when transmitting data Displayed when indoor unit sensor is in use Displayed when setting temperature Displayed when temperature is shown Displayed when the time disp...

Page 50: ...negative ions generated during operation on and off ON OFF operation button This button is for turning the air conditioner on and off 1 HR TIMER button 1 HOUR OFF TIMER When you press this button regardless of whether the unit is operating or stopping the unit operates for one hour and then shuts down Transmitter Sensor Cover closed Display FAN SPEED selector button FLAP button ON TIME setting but...

Page 51: ...ly adjust the set temperature to save energy FLAP button Press this button either to select the setting of the airflow direction to the auto flap in each mode or one of the six possible positions manually or to select the sweep function which moves the flap up and down automatically Auto flap setting If selected in a heating operation the flap is set to position 3 in the following chart If selecte...

Page 52: ... not be bent The remote control unit sends the temperature signal to the air conditioner regularly at five minute intervals If the signal from the remote control unit stops for more than 15 minutes due to the loss of the remote control unit or other trouble the air conditioner will switch to the temperature sensor which is built into the indoor unit and control the room temperature In these cases ...

Page 53: ... remote control unit every 5 minutes Mounting the Remote Control Unit Before mounting the remote control unit press the ON OFF operation button at the mounting location to make sure that the air conditioner operates from that location The indoor unit should make a beeping sound to indicate that it has received the signal To take out the remote control unit pull it forward When Holding the Remote C...

Page 54: ...aker on the power panel is turned on Once mode is selected and the unit is preset by following the steps below you can have the air conditioner automatically bring the room to the desired temperature simply by pressing the ON OFF operation button STEP 1 Press the MODE selector button to STEP 2 Press the ON OFF operation button To stop the air conditioner press the ON OFF operation button again To ...

Page 55: ...the ON OFF operation button STEP 3 Press the TEMP setting buttons to change the temperature setting to the desired temperature Adjustable temperature range STEP 4 Set the FAN SPEED selector button to the setting you want STEP 5 Press the FLAP button and set the airflow direction as desired Refer to Adjusting the Airflow Direction on page 21 To stop the air conditioner press the ON OFF operation bu...

Page 56: ... minute time delay circuit to ensure reliable operation When the operation button is pressed the compressor will start running within three minutes In the event of power failure the unit will stop 3 Adjusting the Fan Speed A Automatic fan speed Simply set the FAN SPEED selector button to the position This automatically sets the best fan speed for the room temperature B Manual fan speed If you want...

Page 57: ... of the indoor temperature when night setback was selected This enables you to save energy without sacrificing comfort This function is convenient when gentle cooling is needed Setting temperature Press the NIGHT SETBACK button 30 min 30 min Time 2 F 2 F When the night setback mode is selected the air conditioner automatically lowers the temperature setting 4 F when 30 minutes have passed after th...

Page 58: ...essed the unit operates at maximum output for 30 minutes regardless of the desired temperature The fan speed is 1 step above High HIGH POWER Mode cannot be used when the operation mode is Automatic Operation QUIET Mode and HIGH POWER Mode cannot be used at the same time 7 ION Mode The ION mode is used during operation to generate negative ions that freshen up the air in the room Press the ION butt...

Page 59: ...rnately until defrosting is completed Heating operation restarts after several minutes This interval will vary slightly depending upon the outdoor temperature and the way in which frost forms Cold draft prevention For several minutes after the start of heating operation the indoor fan runs at lower speed until the indoor heat exchanger coil has warmed up sufficiently However the fan may remain sto...

Page 60: ...Return button until PM 10 30 is displayed The time can be set in 1 minute increments Holding down the button advances the time rapidly in 10 minute increments 3 Press the CLOCK button again This completes the setting of the current time 1 Press the OFF TIME setting button once The timer indication is displayed and the present OFF time is shown 2 Press the Advance Return button until AM 11 00 is di...

Page 61: ... operates as if it is turned off Operation Indication 1 Press the ON TIME setting button once The timer indication is displayed and the present ON time is shown 2 Press the Advance Return button until AM 7 10 is displayed The timer indication blinks The time can be set in 10 minute increments Holding down the button advances the time rapidly in 10 minute increments 3 Wait a few seconds and then th...

Page 62: ...to operate for one hour from that point in time and then stops It is not possible to use the OFF Timer and 1 Hour OFF Timer together Whichever function is set last takes precedence If the 1 HR TIMER button is pressed while the TIMER OFF function operates the OFF Timer is cancelled and the unit will stop operating one hour later 2 Operation together with the DAILY ON OFF REPEAT Timer The 1 Hour OFF...

Page 63: ...tion position until the air being blown out of the unit begins to warm Once the air warms up the flap position and fan speed change to the settings specified with the remote control Use the FLAP button on the remote control to adjust the position of the flap If you move the flap by hand the flap position according to the remote control and the actual flap position may no longer match If this shoul...

Page 64: ... 2 Do not pour water on the indoor unit to clean it This will damage the internal components and cause an electric shock hazard Casing and Grille Indoor Unit Clean the casing and grille of the indoor unit with a vacuum cleaner brush or wipe them with a clean soft cloth If these parts are stained use a clean cloth moistened with a mild liquid detergent When cleaning the grille be careful not to for...

Page 65: ... the anti mold filter 1 With the FRONT mark of the anti mold filter at the front align the two indentions near the mark with the hooks at the rear of the air intake grille and then mount the anti mold filter 2 Allow the edge of the air intake grille to slide into the top of the indoor unit and then insert it all the way inside 3 To attach the air intake grille to the indoor unit press its bottom r...

Page 66: ...e stubborn dirt moisten a cloth in warm water no hotter than 104 F wring thoroughly and then wipe The air intake grille can be removed in order to wash it with water Removing and remounting the air intake grille Refer to How to remove the anti mold filter and How to replace the anti mold filter on page 23 When using a footstool or the like be careful not to let it tip over Washing the grille with ...

Page 67: ...people in room 2 Eliminate heat source if possible 3 Doors and or windows are open 3 Shut them to keep the heat or cold out 4 Obstacle near air intake or air discharge port 4 Remove it to ensure good airflow 5 Thermostat is set too high for cooling or too low for heating 5 Set the temperature lower or higher 6 Outdoor temperature is too low for heating 6 Consult your dealer or try to use another h...

Page 68: ...INSTALLATION INSTRUCTIONS KMHS0772 KMHS0972 KMHS1272 KMHS1872 KMHS2472 II 852 6 4189 998 00 1 APPENDIX B A 2 ...

Page 69: ... Tubing Kit 1 4 Type of Copper Tube and Insulation Material 1 5 Additional Materials Required for Installation 2 INSTALLATION SITE SELECTION 4 2 1 Indoor Unit 2 2 Embedding the Tubing and Wiring 3 HOW TO INSTALL THE INDOOR UNIT 6 3 1 Remove the Rear Panel from the Unit 3 2 Make a Hole 3 3 Install the Rear Panel on the Wall 3 4 Remove the Grille to Install the Indoor Unit 3 5 Shape the Indoor Side ...

Page 70: ...en picking up and moving the indoor and out door units Get a partner to help and bend your knees when lifting to reduce strain on your back Sharp edges or thin alu minum fins on the air conditioner can cut your fingers When Installing In a Ceiling or Wall Make sure the ceiling wall is strong enough to hold the unit s weight It may be necessary to construct a strong wood or metal frame to provide a...

Page 71: ...efrigerant tub ing as detailed in Table 2 Cut each tube to the appropriate lengths 1 to 1 4 30 cm to 40 cm to dampen vibration between units Table 2 2 Foamed polyethylene insulation for the specified copper tubes as required to precise length of tubing Wall thickness of the insulation should be not less than 5 16 8 mm 3 Use insulated copper wire for field wiring Wire size varies with the total len...

Page 72: ...tion that will hold the weight of the unit G select a location where tubing and drain hose have the shortest run to the outside Fig 1 G allow room for operation and maintenance as well as unrestricted air flow around the unit Fig 2 G install the unit within the maximum elevation difference H1 H2 H3 H4 above or below the outdoor unit and within a total tubing length L1 L2 L3 L1 L2 L3 L4 from the ou...

Page 73: ...moisture in the air inside the tubing may condense into water droplets and lead to water contamination of the refrig erant circuit G In order to prevent insulation breakdown and ground faults do not allow wiring ends to come in contact with rainwater or be subjected to condensation or dew G Apply sufficient thermal insulation to the refrigerant tubing and drain pipes Table 3 If total tubing length...

Page 74: ...ake a Hole 1 Place the rear panel from the indoor unit on the wall at the location selected Make sure the panel is hori zontal using a carpenter s level or tape measure to measure down from the ceiling Wait until after cut ting the hole before attaching the rear panel to the wall 2 Determine which side of the unit you should make the hole for tubing and wiring Fig 9a or 9b In the case of left rear...

Page 75: ...a or b below depending on the wall type a If Wooden Wall 1 Attach the rear panel to the wall with the 8 screws provided Fig 13a or 13b If you are not able to line up the holes in the rear panel with the beam locations marked on the wall use rawl plugs or toggle bolts to go through the holes on the panel or drill 3 16 5 mm dia holes in the panel over the stud locations and then mount the rear panel...

Page 76: ... slots and push the lower part of the grille back into position 2 Make sure that the grille and frame are firmly fitted together by engaging the tabs 3 Attach the thermistor on the grille Fig 17a 4 Close the cover and replace the screw Fig 17a 5 Affix the grille with the 2 previously removed screws Fig 16b 6 Install the air intake grille a Allow the edge of the air intake grille to slide into the ...

Page 77: ... frame first Fig 18b 1 Then insert the tabs on the top of the grille and on the front face into the frame 2 Make sure that the grille and frame are firmly fitted together by engaging the tabs 3 Attach the thermistor on the grille Fig 17a 1 4 Close the cover and replace the screw Fig 17a 1 5 Affix the grille with the 3 previously removed screws Fig 16b 1 6 Install the air intake grille a Allow the ...

Page 78: ...iagram 2 Provide a power outlet to be used exclusively for each unit with a power supply disconnect and cir cuit breaker for overcurrent protection provided in the exclusive line 3 To prevent possible hazard due to insulation failure the unit must be grounded 4 Each wiring connection must be done tightly and in accordance with the wiring system diagram Wrong wiring may cause the unit to misoperate...

Page 79: ...iring from the back of the indoor unit and pull it toward the front for connec tion Figs 26a and 26b 5 Connect the inter unit wiring to the corresponding terminals on the terminal plate Figs 26a and 26b while referring to the wiring diagram 6 Be sure to secure the wiring with the provided clamp When closing the air intake grille press the bottom right and left corners and center Fig 27 Please refe...

Page 80: ... the terminal screw 4 Shape the loop wire properly place it on the termi nal plate and fix it securely with the removed termi nal screw using a screwdriver I For stranded wiring 1 Cut the wire end with a cutting pliers then strip the insulation to expose the stranded wiring about 3 8 10 mm and tightly twist the wire ends Figs 30 and 31 2 Using a screwdriver remove the terminal screw s on the termi...

Page 81: ...or unit so it is securely seated on the rear panel Fig 36 3 Carefully bend the tubing if necessary to run along the wall in the direction of the outdoor unit and then tape as far as the fittings See Caution on page 15 in the outdoor unit installation manual The drain hose should come straight down the wall to a point where water runoff won t stain the wall 4 Connect the refrigerant tubing to the o...

Page 82: ...the drain hose fully onto the drain pan outlet until the drain hose edge is pushed into the insula tion Check that the screw holes in the drain bracket and the drain pan outlet are aligned and securely in contact then fasten them with the screw After attaching the drain hose check that it is attached securely Fig 40c Drain cap Use a Phillips screwdriver to push the drain cap in firmly If it is dif...

Page 83: ...f the hose c If the drain hose will run in the room insulate the hose with insulation so that chilled condensation will not damage furniture or floors Fig 44 Foamed polyethylene or its equivalent is recom mended WARNING Risk of Electric Shock Do not supply power to the unit or operate it until all tubing and wiring to the out side unit are completed Condensation Insulation material Locally purchas...

Page 84: ...main unit blinking Fig 59c After 3 minutes the system shifts into cooling opera tion and cool air will start to be felt Cool mode test run is unaffected by the room temperature 3 Press the ON OFF operation button of the remote con troller again to stop the test run Fig 59a 4 Finally press the ACL reset button of the remote con troller to release it from Test Run mode to return to nor mal mode Fig ...

Page 85: ...there is an obstacle between the remote con trol unit and the air conditioner since a check signal is sent from the remote control unit every 5 minutes 5 1 Mounting on a Wall Before mounting the remote control unit press the ON OFF operation button at the mounting location to make sure that the air conditioner operates from that location The indoor unit should make a beeping sound to indicate that...

Page 86: ...in object such as the tip of a pen to press the ACL button When this has been done oP 1 test run appears blinking in the remote controller clock display area 4 Each time the 1 HR TIMER button is pressed the display changes as shown below Press this button 2 times to change the display to oP 7 address setting Fig 64 5 oP 7 has now been selected for address setting 6 Press the ON OFF operation butto...

Page 87: ...ed level and vertically The power and voltage are as specified Inter unit cables are securely inserted into the terminal block Inter unit cables are securely fixed The power cord and inter unit cables are not connected anywhere along their paths The ground wire is securely connected Thermal insulation has been applied to the tubing connections Drain connections are secure and water drains properly...

Page 88: ...l Solutions A Division of SANYO North America Corporation Cornerstone Business Park 1062 Thorndale Avenue Bensenville IL 60106 U S A Sanyo Canada Inc 1 300 Applewood Crescent Concord Ontario L4K 5C7 CANADA Aug 2007 T ...

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Sanyo KMHS0772, Technical & Service Manual

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